/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package com.android.systemui.globalactions;

import com.android.internal.statusbar.IStatusBarService;
import com.android.systemui.Dependency;
import com.android.systemui.SysUiServiceProvider;
import com.android.systemui.SystemUI;
import com.android.systemui.plugins.GlobalActions;
import com.android.systemui.plugins.GlobalActions.GlobalActionsManager;
import com.android.systemui.statusbar.CommandQueue;
import com.android.systemui.statusbar.CommandQueue.Callbacks;
import com.android.systemui.statusbar.policy.ExtensionController;
import com.android.systemui.statusbar.policy.ExtensionController.Extension;

import android.content.Context;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;

@SuppressWarnings("unchecked")
public class GlobalActionsComponent extends SystemUI implements Callbacks, GlobalActionsManager {

    private static final String TAG = "GlobalActionsComponent";
    private Extension<GlobalActions> mExtension;
    private IStatusBarService mBarService;

    @Override
    public void start() {
        mBarService = IStatusBarService.Stub.asInterface(
                ServiceManager.getService(Context.STATUS_BAR_SERVICE));
        mExtension = Dependency.get(ExtensionController.class).newExtension(GlobalActions.class)
                .withPlugin(GlobalActions.class)
                .withDefault(() -> new GlobalActionsImpl(mContext))
                .build();
        SysUiServiceProvider.getComponent(mContext, CommandQueue.class).addCallbacks(this);
    }

    /**
     * 点击关机或重启时被触发，会弹出一个对话框
     *
     * @param isReboot 是否重启
     * @param reason 原因，userrequested
     */
    @Override
    public void handleShowShutdownUi(boolean isReboot, String reason) {
        Log.i(TAG, "handleShowShutdownUi: " + isReboot + ", " + reason);
        mExtension.get().showShutdownUi(isReboot, reason);
    }

    /**
     * 长按开机键时被触发，弹出对话框
     */
    @Override
    public void handleShowGlobalActionsMenu() {
        Log.i(TAG, "handleShowGlobalActionsMenu: ");
        mExtension.get().showGlobalActions(this);
    }

    /**
     * 对话框显示时被触发
     */
    @Override
    public void onGlobalActionsShown() {
        Log.i(TAG, "onGlobalActionsShown: ");
        try {
            mBarService.onGlobalActionsShown();
        } catch (RemoteException ignored) {
        }
    }

    /**
     * 对话框隐藏时被触发
     */
    @Override
    public void onGlobalActionsHidden() {
        Log.i(TAG, "onGlobalActionsHidden: ");
        try {
            mBarService.onGlobalActionsHidden();
        } catch (RemoteException ignored) {
        }
    }

    /**
     * 点击关机时被触发
     */
    @Override
    public void shutdown() {
        Log.i(TAG, "shutdown: ");
        try {
            mBarService.shutdown();
        } catch (RemoteException ignored) {
        }
    }

    /**
     * 点击重启时被触发
     *
     * @param safeMode 安全模式
     */
    @Override
    public void reboot(boolean safeMode) {
        Log.i(TAG, "reboot: " + safeMode);
        try {
            mBarService.reboot(safeMode);
        } catch (RemoteException ignored) {
        }
    }
}
